Patent application number | Description | Published |
20080198187 | LIQUID RESIDUAL AMOUNT DETECTION APPARATUS FOR LIQUID CONTAINER - A liquid residual amount detection apparatus for a liquid container, includes: a sensor chamber that has a liquid supply port introducing liquid to be delivered from a liquid containing portion, and supplies the liquid to an external liquid consuming apparatus; a diaphragm that defines a part of the sensor chamber and is movable in response to a liquid containing amount in the sensor chamber; a pressure receiving plate that is attached to the diaphragm; a recess portion that is connected to the sensor chamber and is closed by the pressure receiving plate when the liquid containing amount in the sensor chamber becomes a predetermined amount or less; a piezoelectric element that applies vibration to at least a part of the recess portion so as to detect a free vibration state according to the applied vibration; a detection portion that detects an amplitude value or a frequency of a residual vibration waveform of a counter electromotive force by the free vibration state detected by the piezoelectric element; and a calculation portion that calculates a liquid residual amount in the liquid container on the basis of the amplitude value or the frequency of the residual vibration waveform detected by the detection portion. | 08-21-2008 |
20080198211 | SEALING STRUCTURE OF FLUID CONTAINER, AND METHOD OF MANUFACTURING AND REUSING FLUID CONTAINER - The invention provides a fluid-outlet-section sealing structure that includes: a fluid outlet section, a sealing member, and a sealing film. The fluid outlet section has a fluid flow channel and an open-end surface. The open-end surface of the fluid outlet section is formed at a fluid outlet end of the fluid flow channel of the fluid outlet section. The sealing member is provided in the fluid flow channel of the fluid outlet section. The sealing film is provided to cover the fluid flow channel of the fluid outlet section and the open-end surface of the fluid outlet section. The sealing film is thermally adhered to the open-end surface of the fluid outlet section and the sealing member. | 08-21-2008 |
20080252669 | LIQUID DETECTION UNIT, AND LIQUID CONTAINER USING LIQUID DETECTION UNIT - A liquid detection unit includes a unit case, a sensor, and a relay terminal. The sensor is held by the unit case. The relay terminal has a relay portion and first and second terminals that are provided on both ends of the relay portion. The second terminal is connected to the sensor. The unit case includes a first terminal holding portion, a second terminal holding portion, and a deformable portion. The first terminal holding portion holds the first terminal of the relay terminal. The second terminal holding portion holds the second terminal of the relay terminal. The deformable portion is provided between the first terminal holding portion and the second terminal holding portion, and elastically deforms in a direction in which a distance between the first terminal holding portion and the second terminal holding portion is reduced. | 10-16-2008 |
20080252702 | LIQUID CONTAINER - A liquid container includes a liquid containing portion, a case, a liquid detection unit, and an impact absorbing portion. The liquid containing portion contains liquid. The case forms a space that accommodates the liquid containing portion. The liquid detection unit includes a liquid introducing portion that is connected through an attachment portion, which is provided in the case, to a liquid delivery port of the liquid containing portion. The impact absorbing portion is provided at least between a bottom face of the case and the liquid detection unit to absorb an impact applied to the liquid detection unit. | 10-16-2008 |
20080284810 | LIQUID CONTAINER, CONTAINER HOLDER AND LIQUID CONSUMING APPARATUS - A liquid container that has a container body storing a liquid to be supplied to a liquid consuming apparatus and that is detachably mounted on a container mounting portion of the liquid consuming apparatus, wherein a liquid supply port for sending out the liquid to be supplied to the liquid consuming apparatus is formed on a front end surface in an insertion direction of the container body having a substantially rectangular shape, wherein a circuit board having a contact point with the liquid consuming apparatus is formed on one side surface perpendicular to one corresponding short side of the front end surface in the insertion direction, and wherein a container fixation structure for releasably regulating a movement of the container body in a direction opposite to the insertion direction thereof in cooperation with an apparatus fixation structure formed on the container mounting portion is formed on the other side surface perpendicular to the other corresponding short side of the front end surface in the insertion direction in a state where the container body is mounted on the container mounting portion against an urging force in the direction opposite to the insertion direction. | 11-20-2008 |
20080316249 | LIQUID SEALING STRUCTURE, MANUFACTURING METHOD OF THE SAME, LIQUID CONTAINER, REFILLED LIQUID CONTAINER, AND REFILLING METHOD OF THE SAME - A liquid sealing structure includes: a liquid lead-out portion which has a liquid passage and an opening end surface formed in a liquid lead-out end of the liquid passage; a sealing member which is disposed on the opening end surface inside the liquid passage; a valve mechanism which is disposed inside the sealing member in the liquid passage to close the liquid passage; and a sealing film which covers the liquid passage and the opening end surface of the liquid lead-out portion and is thermally welded to the opening end surface and the sealing member, wherein a notch portion for passing a liquid lead-out member which is inserted into the liquid passage to open the valve mechanism is formed in the sealing film. | 12-25-2008 |
20090015642 | Liquid Storage Container and Liquid Filling Method and Liquid Refilling Method Using the Same - A liquid storage container includes a liquid containing body that is formed of a flexible film and contains liquid therein; a liquid lead-out member connected to the liquid containing body; and a spacer member disposed in the liquid containing body. The liquid containing body deforms in a direction in which inner wall surfaces of the flexible film facing each other are brought into contact with each other at the time of reduction in the remaining amount of the liquid as the inside liquid is taken out through the liquid lead-out member, and the spacer member regulates contact between parts of the inner wall surfaces of the flexible film facing each other at the time of reduction in the remaining amount of the liquid to thereby form a remaining liquid space where liquid remains. | 01-15-2009 |
20090064501 | Method of Manufacturing Liquid Container and Liquid Container Manufactured Using the Same - A liquid container manufacturing method including a storage container which is storable a liquid receptacle, and including preparing the liquid container for which a liquid housed in the liquid receptacle is supplied to the outside via a flow path inside a liquid volume detector device, filling the liquid in the liquid receptacle stored in the storage container, and connecting the liquid volume detector device to the liquid receptacle filled with liquid. | 03-12-2009 |
20090079775 | Liquid Ejecting Apparatus, Liquid Container, and Data Writing Method - A liquid ejecting apparatus ejects a liquid supplied from a liquid container including a storage unit in which data is written and a liquid level detector which detects a liquid level of the contained liquid. The liquid ejecting apparatus includes: an abnormality detecting unit which receives a signal indicating the liquid level of the liquid from the liquid level detector and analyzes the signal to detect abnormality of the liquid level detector; and a writing unit which writes data indicating the abnormality in the storage unit when the abnormality is detected. | 03-26-2009 |
20090079804 | Liquid Container and Liquid Injection Device - A liquid container is constructed to store a liquid and supply the liquid to a liquid injection device in response to inflow of a pressurized fluid from the liquid injection device. The liquid container comprises: a flow inlet formed to allow the pressurized fluid to be flowed in from the liquid injection device; a liquid reservoir formed to store the liquid therein; a supply inlet formed to connect with the liquid reservoir and supply the liquid, which is flowed out of the liquid reservoir in response to the inflow of the pressurized fluid, to the liquid injection device; and a pressure detector that identifies a pressure status of the pressurized fluid flowed in from the liquid injection device. The liquid container of this structure enables easy determination of whether the pressurized fluid is normally supplied to the liquid container. | 03-26-2009 |
20090102880 | Liquid Storing Container - Provided is a liquid storing container including: a liquid containing unit which discharges a liquid by introducing a pressurized fluid into a region, in which the liquid is received; a liquid lead-out port which supplies the liquid from the liquid containing unit to a liquid consumption device; and a detecting device which is provided between the liquid containing unit and the liquid lead-out port, wherein the detecting device includes a liquid storing unit which is provided between the liquid containing unit and the liquid lead-out port; a piezoelectric element which applies vibration to a sensor cavity for containing the liquid in communication with the liquid storing unit and detects a state of free vibration due to the vibration; and a movement member which is displaced according to a pressurized state of the liquid storing unit at a position facing the sensor cavity. | 04-23-2009 |
20090195573 | LIQUID DETECTION UNIT, AND LIQUID CONTAINER - Disclosed is a liquid detection unit having a liquid detection chamber, a detection portion including a detection space communicating with the liquid detection chamber via a through hole of a detection portion installation member and a piezoelectric sensor which detects remaining vibrations, and a movable member including a detection space sealing surface which is urged by an urging member and thus comes to abut against one surface of a detection portion installation member. The liquid detection chamber includes an abutting surface abutting against a second sealing surface being in contact with a first sealing surface of the movable member and the detection portion installation member. When a distance between the first sealing surface of the movable member to the detection space sealing surface is defined as L1 and a distance between the second sealing surface of the liquid detection chamber to the abutting surface is defined as L2, the relationship L1>L2 is satisfied. | 08-06-2009 |
20090207218 | LIQUID CONTAINER - A liquid container attachable to a liquid consuming apparatus includes a supplying portion, a containing portion and a first rigid member. The supplying portion has a supplying opening and supplies a liquid to the liquid consuming apparatus in a state that the liquid container is attached to the liquid consuming apparatus. The containing portion is connected to the supplying portion, the containing portion containing the liquid, the containing portion being made of a flexible sheet material. The containing portion has a first side portion, a bottom portion positioned at a bottom of the containing portion in a state that the liquid container is attached to the liquid consuming apparatus and a first bottom-side sealed portion formed by joining edge portions of the first side portion and the bottom portion. The first rigid member is arranged along the first side portion and over an upper end of the first bottom-side sealed portion. The first rigid member is made of a material of higher rigidity than the flexible sheet material, whereby the first rigid member restricts displacement of the first bottom-side sealed portion in a lateral direction. | 08-20-2009 |
20090213159 | Printing Apparatus - A printing apparatus includes a recording head that prints an image and an ink cartridge that stores ink to the recording head. The ink cartridge includes an ink pack and an ink-end sensor that detects an ink-end point based on the pressure of ink supplied from the ink pack. The ink pressure corresponding to the ink-end point detected by the ink-end sensor is set to a first pressure that is the minimum pressure near an outlet of the ink cartridge at which the recording head can print an image of predetermined quality. A determining unit permits starting of a printing or cleaning operation in response to a command issued before the ink-end sensor detects the ink-end point and prohibits starting of a printing or cleaning operation in response to a command issued after the ink-end sensor has detected the ink-end point. | 08-27-2009 |
20090237426 | LIQUID CONTAINER AND LIQUID CONSUMING APPARATUS - The liquid container includes a liquid storage portion that stores a liquid; a liquid feed portion that connects with the liquid consuming apparatus and feeds the liquid to the liquid consuming apparatus when the liquid container is attached to the liquid consuming apparatus, a liquid sensing chamber defining portion having a liquid inlet communicating with the liquid storage portion and a liquid outlet communicating with the liquid feed portion and that defines a liquid sensing chamber that fluctuates in volume according to a differential between atmospheric pressure received from an outside and pressure received from an inside, a bias force member that exerts a bias force on the liquid sensing chamber from an inner side in a direction of expansion of volume of the liquid sensing chamber, and a sensor that senses a decline in volume of the liquid sensing chamber to a prescribed volume value. A pressure of liquid present in the liquid sensing chamber declines as an amount of liquid in the liquid storage portion becomes lower. The bias force is established such that if the amount of liquid in the liquid storage portion is equal to or greater than a prescribed amount, the liquid sensing chamber overcomes atmospheric pressure to assume a volume exceeding a prescribed volume value, whereas if the amount of liquid in the liquid storage portion is less than a prescribed amount, the liquid sensing chamber yields to atmospheric pressure to assume a volume equal to or less than a prescribed volume value. | 09-24-2009 |
20090244224 | LIQUID JETTING SYSTEM, LIQUID CONTAINER, HOLDER, AND LIQUID JETTING APPARATUS HAVING HOLDER - A liquid jetting system includes a liquid container including a front wall, and a side wall having a bias-force receiving part, and a liquid jetting apparatus including a holder that receives installation of the liquid container through insertion of the liquid container in a prescribed insertion direction with the front wall facing forward. The holder further includes a liquid feed needle that receives feed of liquid from the liquid container when the liquid container has been installed, a holder-side electrode situated to a upper side from the liquid feed needle and adapted to electrically connect with the liquid container when the liquid container has been installed, and bias force part situated to a lower side from the liquid feed needle and adapted to exert a bias force on the bias-force receiving part of the liquid container in a prescribed biasing direction when the liquid container has been installed. The liquid container further includes a feed part having a liquid feed port that opens onto the front wall and that receives insertion of the liquid feed needle when the liquid container has been installed in the holder, and a container-side electrode that is to be secured at such a location as to electrically connect with the holder-side electrode when the liquid container has been installed in the holder. The biasing direction is established such that an extended line extending in the biasing direction from the bias-force receiving part is offset from the container-side electrode towards the side wall side. | 10-01-2009 |
20100079517 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a first liquid containing unit containing a liquid therein and a second detachable liquid containing unit containing a liquid therein and having a liquid containing volume smaller than that of the first liquid containing unit. A communication passage communicates the first liquid containing unit with the second liquid containing unit. The first and second liquid containing units are reciprocally replenished with the liquid by a liquid replenishing unit through the communication passage. When the liquid is replenished from the first or second liquid containing units to the other, a control unit controls the liquid replenishing unit to replenish the liquid from the one liquid containing unit to the other liquid containing unit, until the liquid contained in the one liquid containing unit reaches a predetermined amount smaller than the liquid containing volume of the second liquid containing unit. | 04-01-2010 |
20100079567 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes: a liquid containing chamber that contains liquid; a depressurizing unit that brings the liquid contained in the liquid containing chamber to a boil at reduced pressure; and an air open valve that opens an inner chamber space of the liquid containing chamber to air after the boiling of the liquid at reduced pressure. | 04-01-2010 |
20100091070 | Circuit Board and Liquid Supplying Unit - There is provided a circuit board that is fixed to a liquid supplying unit installed to a liquid ejecting apparatus by being inserted into the liquid ejecting apparatus having a plurality of first apparatus-side terminals in a predetermined insertion direction. The circuit board includes a board main body that includes a first opening portion that is used for determining the position of the circuit board with respect to the liquid supplying unit, and a plurality of first top-face terminals, disposed on a first face of the board main body, that is brought into contact with at least a part of the plurality of first apparatus-side terminals and is arranged in the direction approximately perpendicular to the insertion direction when being installed to the liquid ejecting apparatus. The first opening portion is disposed on the rear side relative to the front ends of the plurality of first top-face terminals in the insertion direction and is disposed between a first terminal and a second terminal out of the plurality of first top-face terminals. | 04-15-2010 |
20100103233 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes: a liquid container which contains a liquid; a liquid ejecting unit which ejects the liquid supplied from the liquid container; a cavitation generator which generates cavitation in the liquid; and a gas discharging port which discharges a gas separated from the liquid by the cavitation. | 04-29-2010 |
20100225704 | LIQUID EJECTING APPARATUS AND LIQUID HOUSING CONTAINER - A liquid ejecting apparatus includes a liquid housing container that is housed by a container housing portion. The container housing portion includes a first terminal connecting to the liquid housing container. A position determining pin defines an insertion direction in which the liquid housing container is inserted into the container housing portion. The liquid housing container includes a circuit substrate and a second terminal connecting to the first terminal. A position determining hole determines the position of the liquid housing container by inserting the position determining pin therein. An inclination portion is configured such that the first terminal first contacts a member disposed on a substrate mounting face, on which the circuit substrate is installed, of faces of the liquid housing container, by inserting the position determining pin into the position determining hole along the inclination portion when the liquid housing container is inserted into the container housing portion. | 09-09-2010 |
20110074873 | LIQUID EJECTING APPARATUS AND LIQUID CHARGING METHOD - A liquid ejecting apparatus includes a liquid ejecting head with one nozzle group for ejecting one type liquid and another nozzle group for ejecting two types of liquid, thereby ejecting multiple types of liquid from the nozzle groups. A cap forms a sealing space that is suctioned by a suction pump. Flow-passages supply the liquid from a liquid container toward the liquid ejecting head. Flow-passage pumps in the downstream side of the liquid container in the flow-passages suction the liquid from the liquid container and discharge the liquid toward the downstream side. A choke valve has a valve chamber at the downstream side of the flow-passage pump to allow the liquid to flow therein. A flexible member changes a volume of the valve chamber by flexing. A discharge hole in an inner portion of the valve chamber is opened or closed by the flexing of the flexible member. | 03-31-2011 |
20120194608 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a pressure control unit provided in a liquid flow path so as to control pressure. The pressure control unit includes a liquid introduction unit, a liquid chamber having a diaphragm, a communication hole that allows communication between the liquid introduction unit and the liquid chamber, and a wall portion provided on the side of the liquid chamber, so as to switch between a first mode in which the wall portion forms a first flow path for the liquid flowing through the communication hole toward the liquid outlet without contacting the diaphragm in accordance with a pressure in the liquid chamber, and a second mode in which the wall portion forms a second flow path different from the first flow path, in contact with the diaphragm. | 08-02-2012 |
20120194620 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a pressure control unit provided in a liquid flow path so as to control pressure. The pressure control unit includes a liquid introduction unit, a liquid chamber having a diaphragm, a communication hole that allows communication between the liquid introduction unit and the liquid chamber, a movable member including an opposing surface disposed on the side of the liquid chamber so as to oppose the communication hole, the movable member being disposed so as to move in response to the displacement of the diaphragm unit, and a displacement member that displaces the opposing surface between a first posture of opposing the communication hole and a second posture in which the opposing surface is tilted with respect to the communication hole in an angle different from the first posture. | 08-02-2012 |
20140049581 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a carriage having a removable liquid receptacle that holds a liquid or a removable connector connected via a flexible liquid channel to an external liquid receptacle that holds a liquid, an ejecting head, mounted in the carriage, that has a nozzle that ejects the liquid, and a maintenance unit that runs maintenance on the ejecting head; the ejecting head has a filter disposed so as to be capable of contact with a liquid absorption member provided in the liquid receptacle and in the connector. | 02-20-2014 |
20140247311 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes an ejecting head that is enabled to eject a liquid; a liquid supply portion for supplying the liquid from a liquid supply source to the ejecting head; a holding frame that holds the ejecting head, the liquid supply source and the liquid supply portion; and a movement mechanism that moves the holding frame. The liquid supply portion has a flow channel forming portion that forms a liquid flow channel connecting the liquid supply source and the ejecting head and a flow channel holding portion that holds the flow channel forming portion in a swayable manner. | 09-04-2014 |
20150029260 | LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a carriage having a removable liquid receptacle that holds a liquid or a removable connector connected via a flexible liquid channel to an external liquid receptacle that holds a liquid, an ejecting head, mounted in the carriage, that has a nozzle that ejects the liquid, and a maintenance unit that runs maintenance on the ejecting head; the ejecting head has a filter disposed so as to be capable of contact with a liquid absorption member provided in the liquid receptacle and in the connector. | 01-29-2015 |